Merge "Add reference ivn HAL impl." into udc-dev

automotive/ivn_android_device/impl/default/Android.bp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library {
+    name: "IvnAndroidDeviceService",
+    vendor_available: true,
+    local_include_dirs: ["include"],
+    export_include_dirs: ["include"],
+    srcs: [
+        "src/IvnAndroidDeviceService.cpp",
+    ],
+    whole_static_libs: [
+        "android.hardware.automotive.ivn-V1-ndk",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "libjsoncpp",
+        "liblog",
+        "libutils",
+    ],
+}
+
+cc_binary {
+    name: "android.hardware.automotive.ivn@V1-default-service",
+    vendor: true,
+    relative_install_path: "hw",
+    local_include_dirs: ["include"],
+    srcs: ["src/IvnAndroidDeviceImpl.cpp"],
+    whole_static_libs: ["IvnAndroidDeviceService"],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "libjsoncpp",
+        "liblog",
+        "libutils",
+    ],
+    required: ["Prebuilt_IvnAndroidDeviceServiceDefaultConfig_JSON"],
+    vintf_fragments: ["ivn-default-service.xml"],
+    init_rc: ["ivn-default-service.rc"],
+}

automotive/ivn_android_device/impl/default/config/Android.bp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+filegroup {
+    name: "IvnAndroidDeviceServiceDefaultConfig_Json",
+    srcs: ["DefaultConfig.json"],
+}
+
+prebuilt_etc {
+    name: "Prebuilt_IvnAndroidDeviceServiceDefaultConfig_JSON",
+    filename_from_src: true,
+    src: "DefaultConfig.json",
+    sub_dir: "automotive/IvnConfig/",
+    vendor: true,
+}

automotive/ivn_android_device/impl/default/config/DefaultConfig.json

@@ -0,0 +1,61 @@
+{
+    "MyDeviceId": 0,
+    "Devices": [
+        {
+            "DeviceId": 0,
+            "OccupantZones": [
+                {
+                    "ZoneId": 0,
+                    "OccupantType": "DRIVER",
+                    "Seat": 1,
+                    "Comments": "Occupant zone for driver and FRONT_LEFT seat"
+                },
+                {
+                    "ZoneId": 1,
+                    "OccupantType": "FRONT_PASSENGER",
+                    "Seat": 4,
+                    "Comments": "Occupant zone for FRONT_RIGHT passenger"
+                }
+            ],
+            "EndpointInfo": {
+                "IpAddress": "10.10.10.1",
+                "PortNumber": 1234,
+                "BrandName": "MyBrand",
+                "DeviceName": "MyDevice",
+                "ProductName": "MyProduct",
+                "ManufacturerName": "MyCompany",
+                "ModelName": "MyModel",
+                "SerialNumber": "Serial1234"
+            },
+            "Comments": "Device for front row"
+        },
+        {
+            "DeviceId": 1,
+            "OccupantZones": [
+                {
+                    "ZoneId": 2,
+                    "OccupantType": "REAR_PASSENGER",
+                    "Seat": 16
+                },
+                {
+                    "ZoneId": 3,
+                    "OccupantType": "REAR_PASSENGER",
+                    "Seat": 64
+                }
+            ],
+            "EndpointInfo": {
+                "IpAddress": "10.10.10.2",
+                "PortNumber": 2345,
+                "BrandName": "MyBrand",
+                "DeviceName": "MyDevice",
+                "ProductName": "MyProduct",
+                "ManufacturerName": "MyCompany",
+                "ModelName": "MyModel",
+                "SerialNumber": "Serial2345"
+            },
+            "Comments": "Device for back row"
+        }
+    ],
+    "Comment":
+            "This simulates a vehicle with two Android devices, one for front row, one for back row"
+}

automotive/ivn_android_device/impl/default/include/IvnAndroidDeviceService.h

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/automotive/ivn/BnIvnAndroidDevice.h>
+#include <aidl/android/hardware/automotive/ivn/EndpointInfo.h>
+#include <aidl/android/hardware/automotive/ivn/OccupantZoneInfo.h>
+#include <android/binder_auto_utils.h>
+#include <vector>
+
+#include <unordered_map>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace ivn {
+
+struct DeviceInfo {
+    std::vector<aidl::android::hardware::automotive::ivn::OccupantZoneInfo> occupantZones;
+    aidl::android::hardware::automotive::ivn::EndpointInfo endpointInfo;
+};
+
+class IvnAndroidDeviceService
+    : public aidl::android::hardware::automotive::ivn::BnIvnAndroidDevice {
+  public:
+    explicit IvnAndroidDeviceService(std::string_view configPath);
+
+    // Initialize the service, returns true on success.
+    bool init();
+
+    ndk::ScopedAStatus getMyDeviceId(int* deviceId) override;
+
+    ndk::ScopedAStatus getOtherDeviceIds(std::vector<int>* deviceIds) override;
+
+    ndk::ScopedAStatus getDeviceIdForOccupantZone(int zoneId, int* deviceId) override;
+
+    ndk::ScopedAStatus getOccupantZonesForDevice(
+            int androidDeviceId,
+            std::vector<aidl::android::hardware::automotive::ivn::OccupantZoneInfo>* occupantZones)
+            override;
+
+    ndk::ScopedAStatus getMyEndpointInfo(
+            aidl::android::hardware::automotive::ivn::EndpointInfo* endpointInfo) override;
+
+    ndk::ScopedAStatus getEndpointInfoForDevice(
+            int androidDeviceId,
+            aidl::android::hardware::automotive::ivn::EndpointInfo* endpointInfo) override;
+
+  private:
+    int mMyDeviceId;
+    std::unordered_map<int, DeviceInfo> mDeviceInfoById;
+    std::string_view mConfigPath;
+};
+
+}  // namespace ivn
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android

automotive/ivn_android_device/impl/default/ivn-default-service.rc

@@ -0,0 +1,4 @@
+service vendor.ivn-default /vendor/bin/hw/android.hardware.automotive.ivn@V1-default-service
+    class hal
+    user vehicle_network
+    group system inet

automotive/ivn_android_device/impl/default/ivn-default-service.xml

@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.automotive.ivn</name>
+        <version>1</version>
+        <fqname>IIvnAndroidDevice/default</fqname>
+    </hal>
+</manifest>

automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceImpl.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "IvnAndroidDeviceImpl"
+
+#include "IvnAndroidDeviceService.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <stdlib.h>
+
+constexpr char SERVICE_NAME[] = "android.hardware.automotive.ivn.IIvnAndroidDevice/default";
+constexpr char DEFAULT_CONFIG_DIR[] = "/vendor/etc/automotive/IvnConfig/DefaultConfig.json";
+
+int main(int /* argc */, char* /* argv */[]) {
+    LOG(INFO) << "Registering IvnAndroidDeviceService as service...";
+    auto service =
+            ndk::SharedRefBase::make<android::hardware::automotive::ivn::IvnAndroidDeviceService>(
+                    DEFAULT_CONFIG_DIR);
+    if (!service->init()) {
+        LOG(ERROR) << "Failed to init IvnAndroidDeviceService";
+        exit(1);
+    }
+
+    binder_exception_t err = AServiceManager_addService(service->asBinder().get(), SERVICE_NAME);
+    if (err != EX_NONE) {
+        LOG(ERROR) << "Failed to register IvnAndroidDeviceService service, exception: " << err;
+        exit(1);
+    }
+
+    if (!ABinderProcess_setThreadPoolMaxThreadCount(1)) {
+        LOG(ERROR) << "Failed to set thread pool max thread count";
+        exit(1);
+    }
+    ABinderProcess_startThreadPool();
+
+    LOG(INFO) << "IvnAndroidDeviceService Ready";
+
+    ABinderProcess_joinThreadPool();
+
+    LOG(ERROR) << "IvnAndroidDeviceService init failed! Should not reach here";
+
+    return 0;
+}

automotive/ivn_android_device/impl/default/src/IvnAndroidDeviceService.cpp

@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "IvnAndroidDeviceService.h"
+
+#include <aidl/android/hardware/automotive/ivn/ConnectProtocol.h>
+#include <aidl/android/hardware/automotive/ivn/HardwareIdentifiers.h>
+#include <aidl/android/hardware/automotive/ivn/OccupantType.h>
+#include <android-base/logging.h>
+#include <android/binder_status.h>
+#include <json/json.h>
+
+#include <fstream>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace ivn {
+
+namespace {
+
+using ::aidl::android::hardware::automotive::ivn::ConnectProtocol;
+using ::aidl::android::hardware::automotive::ivn::EndpointInfo;
+using ::aidl::android::hardware::automotive::ivn::HardwareIdentifiers;
+using ::aidl::android::hardware::automotive::ivn::OccupantType;
+using ::aidl::android::hardware::automotive::ivn::OccupantZoneInfo;
+using ::ndk::ScopedAStatus;
+
+constexpr int IVN_ERROR_GENERIC = -1;
+
+}  // namespace
+
+IvnAndroidDeviceService::IvnAndroidDeviceService(std::string_view configPath) {
+    mConfigPath = configPath;
+}
+
+bool IvnAndroidDeviceService::init() {
+    std::ifstream configStream(mConfigPath);
+    if (!configStream) {
+        LOG(ERROR) << "couldn't open " << mConfigPath << " for parsing.";
+        return false;
+    }
+    Json::CharReaderBuilder builder;
+    Json::Value root;
+    std::string errs;
+    if (!Json::parseFromStream(builder, configStream, &root, &errs)) {
+        LOG(ERROR) << "Failed to parse config JSON stream, error: " << errs;
+        return false;
+    }
+    if (!root.isObject()) {
+        LOG(ERROR) << "Root must be an object";
+        return false;
+    }
+    if (!root.isMember("MyDeviceId")) {
+        LOG(ERROR) << "Must contain 'MyDeviceId' field";
+        return false;
+    }
+    mMyDeviceId = root["MyDeviceId"].asInt();
+    if (!root.isMember("Devices") || !root["Devices"].isArray()) {
+        LOG(ERROR) << "Must contain 'Devices' field as array";
+        return false;
+    }
+    Json::Value& devices = root["Devices"];
+    for (unsigned int i = 0; i < devices.size(); i++) {
+        Json::Value& device = devices[i];
+        int deviceId = device["DeviceId"].asInt();
+        DeviceInfo deviceInfo = {};
+        Json::Value& occupantZones = device["OccupantZones"];
+        for (unsigned int j = 0; j < occupantZones.size(); j++) {
+            Json::Value& occupantZone = occupantZones[j];
+            int zoneId = occupantZone["ZoneId"].asInt();
+            std::string occupantTypeStr = occupantZone["OccupantType"].asString();
+            int seat = occupantZone["Seat"].asInt();
+            OccupantType occupantType;
+            if (occupantTypeStr == "DRIVER") {
+                occupantType = OccupantType::DRIVER;
+            } else if (occupantTypeStr == "FRONT_PASSENGER") {
+                occupantType = OccupantType::FRONT_PASSENGER;
+            } else if (occupantTypeStr == "REAR_PASSENGER") {
+                occupantType = OccupantType::REAR_PASSENGER;
+            } else {
+                LOG(ERROR) << "Unknown occupant type: " << occupantTypeStr;
+                return false;
+            }
+            OccupantZoneInfo occupantZoneInfo = {
+                    .zoneId = zoneId, .occupantType = occupantType, .seat = seat};
+            deviceInfo.occupantZones.push_back(std::move(occupantZoneInfo));
+        }
+        Json::Value& ep = device["EndpointInfo"];
+        EndpointInfo endpointInfo = {};
+        endpointInfo.connectProtocol = ConnectProtocol::TCP_IP;
+        endpointInfo.ipAddress = ep["IpAddress"].asString();
+        endpointInfo.portNumber = ep["PortNumber"].asInt();
+        HardwareIdentifiers hardwareId = {};
+        if (ep.isMember("BrandName")) {
+            hardwareId.brandName = ep["BrandName"].asString();
+        }
+        if (ep.isMember("DeviceName")) {
+            hardwareId.deviceName = ep["DeviceName"].asString();
+        }
+        if (ep.isMember("ProductName")) {
+            hardwareId.productName = ep["ProductName"].asString();
+        }
+        if (ep.isMember("ManufacturerName")) {
+            hardwareId.manufacturerName = ep["ManufacturerName"].asString();
+        }
+        if (ep.isMember("ModelName")) {
+            hardwareId.modelName = ep["ModelName"].asString();
+        }
+        if (ep.isMember("SerialNumber")) {
+            hardwareId.serialNumber = ep["SerialNumber"].asString();
+        }
+        endpointInfo.hardwareId = hardwareId;
+        deviceInfo.endpointInfo = endpointInfo;
+        mDeviceInfoById[deviceId] = deviceInfo;
+    }
+    if (mDeviceInfoById.find(mMyDeviceId) == mDeviceInfoById.end()) {
+        LOG(ERROR) << "My device ID is not in the device info list";
+        return false;
+    }
+    return true;
+}
+
+ScopedAStatus IvnAndroidDeviceService::getMyDeviceId(int* deviceId) {
+    *deviceId = mMyDeviceId;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus IvnAndroidDeviceService::getOtherDeviceIds(std::vector<int>* deviceIds) {
+    deviceIds->clear();
+    for (const auto& [deviceId, _] : mDeviceInfoById) {
+        if (deviceId == mMyDeviceId) {
+            continue;
+        }
+        deviceIds->push_back(deviceId);
+    }
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus IvnAndroidDeviceService::getDeviceIdForOccupantZone(int zoneId, int* outDeviceId) {
+    for (const auto& [deviceId, deviceInfo] : mDeviceInfoById) {
+        for (const auto& occupantZoneInfo : deviceInfo.occupantZones) {
+            if (occupantZoneInfo.zoneId == zoneId) {
+                *outDeviceId = deviceId;
+                return ScopedAStatus::ok();
+            }
+        }
+    }
+    return ScopedAStatus::fromServiceSpecificErrorWithMessage(IVN_ERROR_GENERIC,
+                                                              "Occupant zone not found");
+}
+
+ScopedAStatus IvnAndroidDeviceService::getOccupantZonesForDevice(
+        int androidDeviceId, std::vector<OccupantZoneInfo>* occupantZones) {
+    if (mDeviceInfoById.find(androidDeviceId) == mDeviceInfoById.end()) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(IVN_ERROR_GENERIC,
+                                                                  "Android device ID not found");
+    }
+    for (const auto& occupantZoneInfo : mDeviceInfoById[androidDeviceId].occupantZones) {
+        occupantZones->push_back(occupantZoneInfo);
+    }
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus IvnAndroidDeviceService::getMyEndpointInfo(EndpointInfo* endpointInfo) {
+    *endpointInfo = mDeviceInfoById[mMyDeviceId].endpointInfo;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus IvnAndroidDeviceService::getEndpointInfoForDevice(int androidDeviceId,
+                                                                EndpointInfo* endpointInfo) {
+    if (mDeviceInfoById.find(androidDeviceId) == mDeviceInfoById.end()) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(IVN_ERROR_GENERIC,
+                                                                  "Android device ID not found");
+    }
+    *endpointInfo = mDeviceInfoById[androidDeviceId].endpointInfo;
+    return ScopedAStatus::ok();
+}
+
+}  // namespace ivn
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android

automotive/ivn_android_device/impl/default/test/Android.bp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_test {
+    name: "IvnAndroidDeviceServiceUnitTest",
+    vendor: true,
+    srcs: ["*.cpp"],
+    whole_static_libs: [
+        "IvnAndroidDeviceService",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "libjsoncpp",
+        "liblog",
+        "libutils",
+    ],
+    static_libs: [
+        "libgtest",
+    ],
+    data: [
+        ":IvnAndroidDeviceServiceDefaultConfig_Json",
+    ],
+    test_suites: ["device-tests"],
+}

automotive/ivn_android_device/impl/default/test/IvnAndroidDeviceServiceUnittest.cpp

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "IvnAndroidDeviceService.h"
+
+#include <aidl/android/hardware/automotive/ivn/OccupantType.h>
+#include <aidl/android/hardware/automotive/ivn/OccupantZoneInfo.h>
+#include <android-base/file.h>
+#include <gtest/gtest.h>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace ivn {
+
+using ::aidl::android::hardware::automotive::ivn::OccupantType;
+using ::aidl::android::hardware::automotive::ivn::OccupantZoneInfo;
+using ::ndk::ScopedAStatus;
+
+class IvnAndroidDeviceServiceUnitTest : public ::testing::Test {
+  public:
+    virtual void SetUp() override {
+        mService = ndk::SharedRefBase::make<IvnAndroidDeviceService>(
+                android::base::GetExecutableDirectory() + "/DefaultConfig.json");
+        mService->init();
+    }
+
+    std::shared_ptr<IvnAndroidDeviceService> mService;
+};
+
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetMyDeviceId) {
+    int deviceId = -1;
+
+    ScopedAStatus status = mService->getMyDeviceId(&deviceId);
+
+    ASSERT_TRUE(status.isOk());
+    ASSERT_EQ(deviceId, 0);
+}
+
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetOtherDeviceIds) {
+    std::vector<int> deviceIds;
+
+    ScopedAStatus status = mService->getOtherDeviceIds(&deviceIds);
+
+    ASSERT_TRUE(status.isOk());
+    ASSERT_EQ(deviceIds, std::vector<int>({1}));
+}
+
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetDeviceIdForOccupantZone) {
+    int deviceId = -1;
+
+    ScopedAStatus status = mService->getDeviceIdForOccupantZone(/*zoneId=*/0, &deviceId);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(deviceId, 0);
+
+    status = mService->getDeviceIdForOccupantZone(/*zoneId=*/1, &deviceId);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(deviceId, 0);
+
+    status = mService->getDeviceIdForOccupantZone(/*zoneId=*/2, &deviceId);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(deviceId, 1);
+
+    status = mService->getDeviceIdForOccupantZone(/*zoneId=*/3, &deviceId);
+
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(deviceId, 1);
+
+    status = mService->getDeviceIdForOccupantZone(/*zoneId=*/4, &deviceId);
+
+    ASSERT_FALSE(status.isOk());
+}
+
+TEST_F(IvnAndroidDeviceServiceUnitTest, TestGetOccupantZonesForDevice) {
+    std::vector<OccupantZoneInfo> occupantZones;
+
+    ScopedAStatus status =
+            mService->getOccupantZonesForDevice(/*androidDeviceId=*/0, &occupantZones);
+    ASSERT_TRUE(status.isOk());
+    EXPECT_EQ(occupantZones.size(), 2);
+    if (occupantZones.size() == 2) {
+        EXPECT_EQ(occupantZones[0].zoneId, 0);
+        EXPECT_EQ(occupantZones[0].occupantType, OccupantType::DRIVER);
+        EXPECT_EQ(occupantZones[0].seat, 1);
+        EXPECT_EQ(occupantZones[1].zoneId, 1);
+        EXPECT_EQ(occupantZones[1].occupantType, OccupantType::FRONT_PASSENGER);
+        EXPECT_EQ(occupantZones[1].seat, 4);
+    }
+}
+
+}  // namespace ivn
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android